
import {
    downloadFile
} from '@/api/fd/document'
export function fileDownload(row) {
    console.log(row)
    downloadFile({
        documentId: row.documentId
    }).then((res) => {
        const { url, documentName } = res.data
        getBlob(url).then((blob) => {
            saveAs(blob, documentName)
        })
    })
}
// 下载重命名
function getBlob(url) {
    return new Promise((resolve) => {
        const xhr = new XMLHttpRequest()
        xhr.open('GET', url, true)
        xhr.responseType = 'blob'
        xhr.onload = () => {
            if (xhr.status === 200) {
                resolve(xhr.response)
            }
        }

        xhr.send()
    })
}
// 下载重命名
function saveAs(blob, filename) {
    if (window.navigator.msSaveOrOpenBlob) {
        navigator.msSaveBlob(blob, filename)
    } else {
        const link = document.createElement('a')
        const body = document.querySelector('body')

        link.href = window.URL.createObjectURL(blob)
        link.download = filename
        link.style.display = 'none'
        body.appendChild(link)
        link.click()
        body.removeChild(link)
        window.URL.revokeObjectURL(link.href)
        this.a = this.a + 1
        console.log(this.a)
    }
}
